0N/A/*
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0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
0N/A *
0N/A * This code is free software; you can redistribute it and/or modify it
0N/A * under the terms of the GNU General Public License version 2 only, as
0N/A * published by the Free Software Foundation.
0N/A *
0N/A * This code is distributed in the hope that it will be useful, but WITHOUT
0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0N/A * version 2 for more details (a copy is included in the LICENSE file that
0N/A * accompanied this code).
0N/A *
0N/A * You should have received a copy of the GNU General Public License version
0N/A * 2 along with this work; if not, write to the Free Software Foundation,
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0N/A *
2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
2362N/A * or visit www.oracle.com if you need additional information or have any
2362N/A * questions.
0N/A */
0N/A
0N/A/* @test
0N/A * @bug 4227192
0N/A * @summary This is a test of the restrictions on the parameters that may
0N/A * be passed to the Proxy.getProxyClass method.
0N/A * @author Peter Jones
0N/A *
0N/A * @build ClassRestrictions
0N/A * @run main ClassRestrictions
0N/A */
0N/A
0N/Aimport java.lang.reflect.Proxy;
0N/Aimport java.net.URLClassLoader;
0N/A
0N/Apublic class ClassRestrictions {
0N/A
0N/A public interface Bar {
0N/A int foo();
0N/A }
0N/A
0N/A public interface Baz {
0N/A long foo();
0N/A }
0N/A
0N/A interface Bashful {
0N/A void foo();
0N/A }
0N/A
0N/A public static void main(String[] args) {
0N/A
0N/A System.err.println(
0N/A "\nTest of restrictions on parameters to Proxy.getProxyClass\n");
0N/A
0N/A try {
2495N/A ClassLoader loader = ClassRestrictions.class.getClassLoader();
2495N/A Class<?>[] interfaces;
2495N/A Class<?> proxyClass;
0N/A
0N/A /*
0N/A * All of the Class objects in the interfaces array must represent
0N/A * interfaces, not classes or primitive types.
0N/A */
0N/A try {
2495N/A interfaces = new Class<?>[] { Object.class };
0N/A proxyClass = Proxy.getProxyClass(loader, interfaces);
0N/A throw new RuntimeException(
0N/A "proxy class created with java.lang.Object as interface");
0N/A } catch (IllegalArgumentException e) {
0N/A e.printStackTrace();
0N/A System.err.println();
0N/A // assume exception is for intended failure
0N/A }
0N/A try {
2495N/A interfaces = new Class<?>[] { Integer.TYPE };
0N/A proxyClass = Proxy.getProxyClass(loader, interfaces);
0N/A throw new RuntimeException(
0N/A "proxy class created with int.class as interface");
0N/A } catch (IllegalArgumentException e) {
0N/A e.printStackTrace();
0N/A System.err.println();
0N/A // assume exception is for intended failure
0N/A }
0N/A
0N/A /*
0N/A * No two elements in the interfaces array may refer to identical
0N/A * Class objects.
0N/A */
0N/A try {
2495N/A interfaces = new Class<?>[] { Bar.class, Bar.class };
0N/A proxyClass = Proxy.getProxyClass(loader, interfaces);
0N/A throw new RuntimeException(
0N/A "proxy class created with repeated interfaces");
0N/A } catch (IllegalArgumentException e) {
0N/A e.printStackTrace();
0N/A System.err.println();
0N/A // assume exception is for intended failure
0N/A }
0N/A
0N/A /*
0N/A * All of the interfaces types must be visible by name though the
0N/A * specified class loader.
0N/A */
0N/A ClassLoader altLoader = new URLClassLoader(
0N/A ((URLClassLoader) loader).getURLs(), null);
0N/A Class altBarClass;
0N/A altBarClass = Class.forName(Bar.class.getName(), false, altLoader);
0N/A try {
2495N/A interfaces = new Class<?>[] { altBarClass };
0N/A proxyClass = Proxy.getProxyClass(loader, interfaces);
0N/A throw new RuntimeException(
0N/A "proxy class created with interface " +
0N/A "not visible to class loader");
0N/A } catch (IllegalArgumentException e) {
0N/A e.printStackTrace();
0N/A System.err.println();
0N/A // assume exception is for intended failure
0N/A }
0N/A
0N/A /*
0N/A * All non-public interfaces must be in the same package.
0N/A */
2495N/A Class<?> nonPublic1 = Bashful.class;
2495N/A Class<?> nonPublic2 = null;
0N/A String[] nonPublicInterfaces = new String[] {
0N/A "java.awt.Conditional",
0N/A "java.util.zip.ZipConstants",
0N/A "javax.swing.GraphicsWrapper",
0N/A "javax.swing.JPopupMenu$Popup",
0N/A "javax.swing.JTable$Resizable2",
0N/A "javax.swing.JTable$Resizable3",
0N/A "javax.swing.ToolTipManager$Popup",
0N/A "sun.audio.Format",
0N/A "sun.audio.HaePlayable",
0N/A "sun.tools.agent.StepConstants",
0N/A };
0N/A for (int i = 0; i < nonPublicInterfaces.length; i++) {
0N/A try {
0N/A nonPublic2 = Class.forName(nonPublicInterfaces[i]);
0N/A break;
0N/A } catch (ClassNotFoundException e) {
0N/A }
0N/A }
0N/A if (nonPublic2 == null) {
0N/A throw new RuntimeException(
0N/A "no second non-public interface found for test");
0N/A }
0N/A try {
2495N/A interfaces = new Class<?>[] { nonPublic1, nonPublic2 };
0N/A proxyClass = Proxy.getProxyClass(loader, interfaces);
0N/A throw new RuntimeException(
0N/A "proxy class created with two non-public interfaces " +
0N/A "in different packages");
0N/A } catch (IllegalArgumentException e) {
0N/A e.printStackTrace();
0N/A System.err.println();
0N/A // assume exception is for intended failure
0N/A }
0N/A
0N/A /*
0N/A * No two interfaces may each have a method with the same name and
0N/A * parameter signature but different return type.
0N/A */
0N/A try {
2495N/A interfaces = new Class<?>[] { Bar.class, Baz.class };
0N/A proxyClass = Proxy.getProxyClass(loader, interfaces);
0N/A throw new RuntimeException(
0N/A "proxy class created with conflicting methods");
0N/A } catch (IllegalArgumentException e) {
0N/A e.printStackTrace();
0N/A System.err.println();
0N/A // assume exception is for intended failure
0N/A }
0N/A
0N/A /*
0N/A * All components of this test have passed.
0N/A */
0N/A System.err.println("\nTEST PASSED");
0N/A
0N/A } catch (Exception e) {
0N/A System.err.println("\nTEST FAILED:");
0N/A e.printStackTrace();
0N/A throw new RuntimeException("TEST FAILED: " + e.toString());
0N/A }
0N/A }
0N/A}